#B24B4E

CSS

:root {
  --intrigue-red: #b24b4e;
  --intrigue-red-rgb: 178 75 78;
  --intrigue-red-oklch: oklch(0.548 0.135 20.9);
}

.element {
  color: var(--intrigue-red);
  background-color: hsl(358 41% 50%);
  border-color: oklch(0.548 0.135 20.9);
}

Tailwind CSS v4

@theme {
  --color-intrigue-red: #b24b4e;
  --color-intrigue-red-50: #ffe7e3;
  --color-intrigue-red-100: #ffd7d3;
  --color-intrigue-red-200: #ffbeb9;
  --color-intrigue-red-300: #f59b97;
  --color-intrigue-red-400: #e37c7c;
  --color-intrigue-red-500: #d05c5f;
  --color-intrigue-red-600: #b04e50;
  --color-intrigue-red-700: #8d3e40;
  --color-intrigue-red-800: #692c30;
  --color-intrigue-red-900: #4a1e20;
  --color-intrigue-red-950: #300d10;
}

SCSS

$intrigue-red: #b24b4e;
$intrigue-red-rgb: 178, 75, 78;
$intrigue-red-light: mix(#fff, $intrigue-red, 20%);
$intrigue-red-dark: mix(#000, $intrigue-red, 20%);

.element {
  color: $intrigue-red;
  box-shadow: 0 0 0 2px rgba($intrigue-red, 0.35);
}